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25288216 = 237940013
BaseRepresentation
bin110000001110…
…1111000011000
31202120202220121
41200131320120
522433210331
62302003024
7424642402
oct140357030
952522817
1025288216
1113302458
128576474
135315455
143503b72
152347c11
hex181de18

25288216 has 16 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 12483744.

The previous prime is 25288213. The next prime is 25288217. The reversal of 25288216 is 61288252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19375 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (3001050).

Almost surely, 225288216 is an apocalyptic number.

It is an amenable number.

25288216 is a deficient number, since it is larger than the sum of its proper divisors (22728584).

25288216 is a wasteful number, since it uses less digits than its factorization.

25288216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40098 (or 40094 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 25288216 is about 5028.7390069480. The cubic root of 25288216 is about 293.5211480862.

The spelling of 25288216 in words is "twenty-five million, two hundred eighty-eight thousand, two hundred sixteen".

Divisors: 1 2 4 8 79 158 316 632 40013 80026 160052 320104 3161027 6322054 12644108 25288216